Five rounds, each for time of:
Rest precisely three minutes between each round.
'Barbara' is misleading. The three-minute rest seems like a gift from above; it's not. Instead, the autonomic processes that regulate your metabolism are led to believe, "Hey, we're done! Start recovery!" and the second and third rounds become much harder. Usually, metabolism of stored fat doesn't start until the cool-down, but in this workout, the Krebs Cycle starts partway through.
Wondering why that bacon for breakfast hasn't helped your 11am Fran time? Claymation to the rescue!